Flush tank



March 29, 1938. A. MosicAvlcE FLUSH TANK Filed Sept. 5, 1956/ ATTORNEY.

Patented Mar. Z9, 1938 UNITED- SATA-rss PrixTENfr "OFFICE vFLUSH TANK Y Andrew Msicavice, Dtroit, Mich. y* Application-.september 5, 1936,*seria1 No. 99,512

4 Claims.

My invention relates to a new anduseful improvement in a flushtank used in connection with closet bowls. In the manufacture of these tanks, it is desirable that they may be manufactured from a cheap vitreous material or from metal and then enameled. It'has been found that with the metal flush tanks and with cheap class of vitreous tanks, sweating takes place during the summer, that is, large beads of moisture gather on the outer surface. With a very y expensive type of vitreous flush tank, this sweating may be avoided and it is the purpose of the present invention to provide a flush tank of this class which may be cheaply and economically manufactured and which will, at the same time, prevent the sweating referred to.

It is another object of the present invention to provide a flush tank of this type, having mounted therein, a suitable insulating body covered by a suitable metallic protective covering.

Another object of the invention is the provision of means within the flush tank for preventing injury to the same by dropping tools or the like in the tank or by striking the sides thereof in installing the mechanism contained Within the tank.

Other objects will appear hereinafter.

The invention consists in the combination and arrangement of parts hereinafter described and claimed.

The invention will be bestA understood by the references to the accompanying drawing which form a part of this specification and in which:

Fig. 1 is a longitudinal central vertical sectional view of the invention.

Fig. 2 is a sectional view taken on line 2-2 of Fig. 1.

In the drawing I have illustrated the invention applied to a flush tank 1 having a removable cover 8 and a bottom I4. Lying against the inner surface of the side walls and the bottom of this tank is a layer I of insulating material such as cork or the like which extends well above the normal water line 2|. This layer I0 is concealed and covered and retained in position against the inner surface of the tank by means of the metallic covering 9 preferably formed from copper. This covering 9 is provided at its upper edge with an outwardly turned ilange which overlies and rests upon the upper edge of the insulating material IU so that it is entirely concealed from view and also sealed from water which may rise in the tank.

The outlet pipe I2 of the tank projects through the bottom I4 and through the covering of insulatingmaterial andthiough'covering 9 of material,Y a-suitable 4rubber gasket surrounding the drain pipe I2 and being projected through the covering 9 and into a recess formed in the layer I0. This outlet pipe I2 is controlled by the valve I which may be lifted by the rod I6 and operated by the usual operating lever or handle II. The valve mechanism II which controls the inflow of the water is regulated by the arm to which oat I'I is attached. The usual overflow pipe 20 is also illustrated.

Experience has shown that a flush tank constructed in this manner will be free from the objectionable feature of sweating and thus a sweatless ush tank which may be economically and cheaply made is provided. Due to the protection of the tank by the metallic layer, the likelihood of fracturing' the tank while installing the control mechanism is reduced to a minimum.

While I have illustrated the preferred form of construction I do not wish to limit myself to the precise details of structure shown, but desire to avail myself of such variations and modifications as may come within the scope of the appended claims.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent, is:

1. In combination: a flush tank of the class described having side walls and a bottom; a layer of insulating material lying against the inner surface of said bottom and said side walls, projecting upwardly on said side. walls above the normal water level, there being a hole formed in the bottom of said tank, said layer and said covering each having an opening registering with the opening in said bottom; a rubber gasket p-rojected through the opening in said metallic covering and having a radially projecting flange extending outwardly therefrom and engaging the inner surface of said cover; and an outlet pipe projected through said openings, said outlet pipe having a peripheral bead engageable with said washer.

2. In combination: a flush tank comprising side walls and a bottom; a layer of insulating material covering the inner surface of said bottom and inner surface of said side walls to a position above the normalwater level; a metallic covering, covering the inner surface of said insulating layer; and an outwardly turned flange on the upper edge of said metallic covering extending over and engaging the upper edge of said insulating layer.

3. A device of the.y class described, comprising: a iiush tank having side Walls and a bottom to provide a receptacle for containing water; a layer of insulating material lying against and covering the inner surface of said bottom and said side walls and projecting upwardly above said side Walls above the normal water level and terminating inwardly from the end of said side Walls; a metallic covering, covering said insulating material and lying in engagement with the inner surface thereof for retaining said insulating material in contact with the inner surface of said Walls and bottom; and an outwardly turned flange on the upper edge of said metallic covering extending over and engaging and covering the upper edge of said insulating layer.

4. A device of the class described, comprising: a flush tank having side walls and a bottom to provide a receptacle for containing water; a layer of insulating material lying against and covering the inner surface of said bottom and said side walls and pro-jecting upwardly above said side walls above the normal water level and terminating inwardly from the end of said side walls; a

metallic covering, covering said insulating material and lying in engagement with the inner surface thereof for retaining said insulating material in contact with the inner surface of said walls and bottom; an outwardly turned ange on the upper edge of said metallic covering extending over and engaging and covering the upper edge of said insulating layer, the bottom of said tank having an opening formed therein, registering with opening formed in the overlying layer of insulating material and metallic covering; a rubber gasket projected through the opening in said metallic covering and into the opening formed in said layer of insulating material; a radially outwardly projecting 'ange on said gasket overlying said metallic covering; an outlet pipe projected through said openings; and a peripheral bead on the inner end of said outlet pipe engageable with said gasket for retaining the ange on said gasket in close engagement with said metal- 20 lic covering.

ANDREW MOSICAVICE. 

